题目

建筑工程专业英语翻译,着急!
OH- ion concentrations in the pore solution were determined by direct
titration against nitric acid using phenolphthalein indicator. The pH values
of the pore solution were calculated from the measured hydroxyl ion concentrations,
Evaporable water on parallel specimens was determined as the loss of
weight per 100 g of unhydrated cement when the specimens were heated
to constant weight at 105℃
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提问时间：2020-12-09

答案

孔隙溶液中的OH -离子的浓度,测定了直接
硝酸滴定法对酚酞指示剂. pH值
孔隙溶液的测量计算出氢氧根离子的浓度,
平行蒸发水量测定标本为损失
每100克重未水化水泥样品被加热时,
在105℃至恒重